/***
	Copyright (c) 2008-2011 CommonsWare, LLC
	Licensed under the Apache License, Version 2.0 (the "License"); you may not
	use this file except in compliance with the License. You may obtain	a copy
	of the License at http://www.apache.org/licenses/LICENSE-2.0. Unless required
	by applicable law or agreed to in writing, software distributed under the
	License is distributed on an "AS IS" BASIS,	WITHOUT	WARRANTIES OR CONDITIONS
	OF ANY KIND, either express or implied. See the License for the specific
	language governing permissions and limitations under the License.
	
	From _The Busy Coder's Guide to Advanced Android Development_
		http://commonsware.com/AdvAndroid
*/

	 
package com.commonsware.android.maps;

import android.app.Activity;
import android.graphics.Canvas;
import android.graphics.Point;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.ItemizedOverlay;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.MapView.LayoutParams;
import com.google.android.maps.MyLocationOverlay;
import com.google.android.maps.OverlayItem;
import java.util.ArrayList;
import java.util.List;

public class NooYawk extends MapActivity {
	private MapView map=null;
	private MyLocationOverlay me=null;
	private SitesOverlay sites=null;
	
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		
		map=(MapView)findViewById(R.id.map);
		
		map.getController().setCenter(getPoint(40.76793169992044,
																						-73.98180484771729));
		map.getController().setZoom(17);
		map.setBuiltInZoomControls(true);
		
		sites=new SitesOverlay();
		map.getOverlays().add(sites);
		
		me=new MyLocationOverlay(this, map);
		map.getOverlays().add(me);
	}
	
	@Override
	public void onResume() {
		super.onResume();
		
		me.enableCompass();
	}		
	
	@Override
	public void onPause() {
		super.onPause();
		
		me.disableCompass();
	}		
	
 	@Override
	protected boolean isRouteDisplayed() {
		return(false);
	}
	
 	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {
		if (keyCode == KeyEvent.KEYCODE_S) {
			map.setSatellite(!map.isSatellite());
			return(true);
		}
		else if (keyCode == KeyEvent.KEYCODE_Z) {
			map.displayZoomControls(true);
			return(true);
		}
		else if (keyCode == KeyEvent.KEYCODE_H) {
			sites.toggleHeart();
			
			return(true);
		}
		
		return(super.onKeyDown(keyCode, event));
	}

	private GeoPoint getPoint(double lat, double lon) {
		return(new GeoPoint((int)(lat*1000000.0),
													(int)(lon*1000000.0)));
	}
		
	private class SitesOverlay extends ItemizedOverlay<CustomItem> {
		private Drawable heart=null;
		private List<CustomItem> items=new ArrayList<CustomItem>();
		private	PopupPanel panel=new PopupPanel(R.layout.popup);
		
		public SitesOverlay() {
			super(null);
			
			heart=getMarker(R.drawable.heart_full);
			
			items.add(new CustomItem(getPoint(40.748963847316034,
																					-73.96807193756104),
																"UN", "United Nations",
																getMarker(R.drawable.blue_full_marker),
																heart));
			items.add(new CustomItem(getPoint(40.76866299974387,
																					-73.98268461227417),
																"Lincoln Center",
																"Home of Jazz at Lincoln Center",
																getMarker(R.drawable.orange_full_marker),
																heart));
			items.add(new CustomItem(getPoint(40.765136435316755,
																					-73.97989511489868),
																"Carnegie Hall",
							"Where you go with practice, practice, practice",
																getMarker(R.drawable.green_full_marker),
																heart));
			items.add(new CustomItem(getPoint(40.70686417491799,
																					-74.01572942733765),
																"The Downtown Club",
												"Original home of the Heisman Trophy",
																getMarker(R.drawable.purple_full_marker),
																heart));

			populate();
		}
		
		@Override
		protected CustomItem createItem(int i) {
			return(items.get(i));
		}
		
		@Override
		public void draw(Canvas canvas, MapView mapView,
											boolean shadow) {
			super.draw(canvas, mapView, shadow);
			
		}
 		
		@Override
		protected boolean onTap(int i) {
			OverlayItem item=getItem(i);
			GeoPoint geo=item.getPoint();
			Point pt=map.getProjection().toPixels(geo, null);
			
			View view=panel.getView();
			
			((TextView)view.findViewById(R.id.latitude))
				.setText(String.valueOf(geo.getLatitudeE6()/1000000.0));
			((TextView)view.findViewById(R.id.longitude))
				.setText(String.valueOf(geo.getLongitudeE6()/1000000.0));
			((TextView)view.findViewById(R.id.x))
															.setText(String.valueOf(pt.x));
			((TextView)view.findViewById(R.id.y))
															.setText(String.valueOf(pt.y));
			
			panel.show(pt.y*2>map.getHeight());
			
			return(true);
		}
		
		@Override
		public int size() {
			return(items.size());
		}
		
		void toggleHeart() {
			CustomItem focus=getFocus();
			
			if (focus!=null) {
				focus.toggleHeart();
			}
			
			map.invalidate();
		}
		
		private Drawable getMarker(int resource) {
			Drawable marker=getResources().getDrawable(resource);
			
			marker.setBounds(0, 0, marker.getIntrinsicWidth(),
												marker.getIntrinsicHeight());
			boundCenter(marker);

			return(marker);
		}
	}
	
	class PopupPanel {
		View popup;
		boolean isVisible=false;
		
		PopupPanel(int layout) {
			ViewGroup parent=(ViewGroup)map.getParent();

			popup=getLayoutInflater().inflate(layout, parent, false);
									
			popup.setOnClickListener(new View.OnClickListener() {
				public void onClick(View v) {
					hide();
				}
			});
		}
		
		View getView() {
			return(popup);
		}
		
		void show(boolean alignTop) {
			RelativeLayout.LayoutParams lp=new RelativeLayout.LayoutParams(
						RelativeLayout.LayoutParams.WRAP_CONTENT,
						RelativeLayout.LayoutParams.WRAP_CONTENT
			);
			
			if (alignTop) {
				lp.addRule(RelativeLayout.ALIGN_PARENT_TOP);
				lp.setMargins(0, 20, 0, 0);
			}
			else {
				lp.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
				lp.setMargins(0, 0, 0, 60);
			}
			
			hide();
			
			((ViewGroup)map.getParent()).addView(popup, lp);
			isVisible=true;
		}
		
		void hide() {
			if (isVisible) {
				isVisible=false;
				((ViewGroup)popup.getParent()).removeView(popup);
			}
		}
	}
	
	class CustomItem extends OverlayItem {
		Drawable marker=null;
		boolean isHeart=false;
		Drawable heart=null;
		
		CustomItem(GeoPoint pt, String name, String snippet,
							 Drawable marker, Drawable heart) {
			super(pt, name, snippet);
			
			this.marker=marker;
			this.heart=heart;
		}
		
		@Override
		public Drawable getMarker(int stateBitset) {
			Drawable result=(isHeart ? heart : marker);
			
			setState(result, stateBitset);
		
			return(result);
		}
		
		void toggleHeart() {
			isHeart=!isHeart;
		}
	}
}
